no issue
- updated ember-cli-build and eslint config to support jsx
- added `react` and `react-dom` libraries
- included them in the build so the `React` and `ReactDom` globals are available for use by third party components
- added vendor shims so we can do things like `import * from 'react'` where the imports are referenced directly to the already imported modules
- added `<ReactComponent>` component
- designed to be extended from in specific react component classes
- renders a div and calls `renderComponent()` action once inserted - this should be replaced in any extended classes in order to render a react component
- handles react rendering and teardown
- added `<ReactMobiledocEditor>` react component that renders an editor composed of components provided by the `react-mobiledoc-editor` package
- added `<KoenigReactEditor>` ember component that renders `<ReactMobiledocEditor>` and handles pass-through of Ember arguments and handling of actions
- updated `<GhKoenigEditorReact>` to render `<KoenigReactEditor>` in place of `<KoenigEditor>`
